Closed
Bug 1794327
Opened 2 years ago
Closed 2 years ago
Use RAPL perf events to show power use in the profiler
Categories
(Core :: Gecko Profiler, enhancement, P3)
Tracking
()
RESOLVED
FIXED
107 Branch
| Tracking | Status | |
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| firefox107 | --- | fixed |
People
(Reporter: dlrobertson, Assigned: dlrobertson)
References
(Blocks 1 open bug)
Details
Attachments
(1 file)
Use RAPL perf events to provide power usage statistics to the profiler. perf(1) currently allows users to do this with something like the following:
perf stat -e power/energy-cpu/ <command>`
We should be able to implement this in the gecko profiler using perf_event_open(2). In some cases this might require the user to set the kernel.perf_event_paranoid sysctl.
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Assignee | |
Updated•2 years ago
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Priority: -- → P3
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Assignee | |
Comment 1•2 years ago
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Poll the RAPL perf events on linux to provide useful power data as a profile
counter.
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Updated•2 years ago
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Assignee: nobody → drobertson
Attachment #9297764 -
Attachment description: WIP: Bug 1794327 - Record RAPL perf events as a profile counter. r=florian → Bug 1794327 - Record RAPL perf events as a profile counter. r=florian
Status: NEW → ASSIGNED
Pushed by drobertson@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/fff931ea85ef Record RAPL perf events as a profile counter. r=florian
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Comment 3•2 years ago
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| bugherder | ||
Status: ASSIGNED → RESOLVED
Closed: 2 years ago
status-firefox107:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → 107 Branch
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Description
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